Siemens DataNET Hub (DNH) Manuale Utente Scaricare il pdf (Pagina 41)

2000585-001 Installation •

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• 33

DataNET Copper Connections, Continued

Each of the four downlink connectors (TB15, TB16, TB17, TB18) contain

wring terminals for two downlink ports; see Figure 2-1.

Always ensure that the same port number is used for redundant channel

connections i.e. Channel A to Port 1 on ‘A’ Hub and Channel B to Port 1

on ‘B’ hub.

Step Action

1. Connect the downlink signal wires to a hub downlink port.

Positive to (+) terminal; and Negative to (-) terminal.

Master Port

Connectors

TB15 – TB18

2. If conduit is used the cable shield is only terminated at one

end of the cable. If shield is terminated at this end connect

this shield to GND terminal. If using cable gland connectors,

cable gland will always connect the shield to the chassis.

Downlink Wiring without

Signal Equalizer Board

+ Important

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Siemens DataNET Hub (DNH) Manuale Utente Pagina 41